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Kamila [148]
3 years ago
14

F(x)=x^2-9x+2 evaluate f(-2)​

Mathematics
1 answer:
Anton [14]3 years ago
4 0
I believe is your answer
Because u plug in -2 to all x
F(x)= (-2)^2-9(-2)+2
F(x)=4+18+2
F(x)=24
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Match the given equation with the verbal description of the surface:
san4es73 [151]
Match of the equation with the verbal description of the surface would be :

Equation 1 = C. plane

Equation 2 = F. Circular cylinder

Equation 3 = C. plane

Equation 4 = E. sphere

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Equation 7 = F. Circular cylinder

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Hope this helps
5 0
3 years ago
Which equations support the fact that rational numbers are closed under subtraction?
Illusion [34]

Answer:

A rational number is said to be closed if the subtracted values and the result obtained are rational. Hence, the equations which supports the condition are :

5.5 - 0.5 = 4

5√4 - √4 = 4√4

Step-by-step explanation:

A.)

√8 - √8 = 0 ; the added values aren't rational and the result, Zero is not rational either.

B.)

5√4 - √4 = 4√4

5(2) - 2 = 2(2)

10 - 2 = 4

All the values in the expression are rational ; hence, it supports the assertion.

C)

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2√3 - √3 = √3 ; the values in the expression are not rational, hence, it does not meet the condition.

Therefore, only options B and C supports the assertion.

Let me add that I learned most of this from Brainly a user named fichoh :)

7 0
2 years ago
Please answer i need help!!!!! WILL GIVE BRAINLIEST!!!!!
sp2606 [1]

1. D. 4 x 4 x 4 x 4 x 4

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<em>I hope this helps, and Happy Holidays! :)</em>

4 0
3 years ago
Move vertex B to a different location. What is the sum of the angle measures of the quadrilateral?
stiv31 [10]

Answer:

360 degrees

Step-by-step explanation:

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3 years ago
A-2.5<br> 2a-22.7<br> a+1.3<br> 21.5<br> What’s a
rewona [7]

Answer:

2.4

Step-by-step explanation:

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